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PapaProxy.net Blog

Proxy infrastructure, APIs, and automation

Technical guides, platform limitations, integration patterns, and practical proxy research.

API & data

August 1, 2026

How the Binance.US API differs from the global platform

Binance.US runs on separate hosts, accounts, keys, limits, and product coverage; restricted requests to global endpoints can return HTTP 451 before authentication.

API & data · Security & access · 6 min read
August 1, 2026

How to sync with Binance API server time

Binance rejects signed requests more than 1,000 ms ahead of its clock or older than recvWindow — 5,000 ms by default, 60,000 maximum.

API & data · Automation · 4 min read
July 31, 2026
Original research

How Binance API rate limits are counted per IP address

Binance allots 6,000 request weight per minute to each IP address on the Spot API; order limits are counted separately, per account.

Limits & performance · API & data · 11 min read